Alert archive / Colorado / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Colorado, June 2020
139 severe thunderstorm warnings in June 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in June 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 139
- Busiest day
- June 6, 202047 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 2:26 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 27 min |
| Jun 2, 4:38 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 52 min |
| Jun 2, 5:09 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 51 min |
| Jun 2, 6:20 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 25 min |
| Jun 2, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 40 min |
| Jun 3, 1:31 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 28 min |
| Jun 3, 1:47 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Pueblo | 28 min |
| Jun 3, 2:10 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 25 min |
| Jun 3, 2:25 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 65 min |
| Jun 3, 2:37 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 68 min |
| Jun 3, 3:09 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 66 min |
| Jun 3, 3:13 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 62 min |
| Jun 3, 4:04 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 56 min |
| Jun 3, 4:13 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 62 min |
| Jun 3, 4:53 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 52 min |
| Jun 3, 5:34 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 56 min |
| Jun 4, 1:43 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Jefferson, Weld | 47 min |
| Jun 4, 2:39 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 51 min |
| Jun 4, 3:29 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 46 min |
| Jun 4, 3:35 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 40 min |
| Jun 4, 4:08 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 67 min |
| Jun 4, 4:14 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 46 min |
| Jun 4, 4:57 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 63 min |
| Jun 5, 4:56 PM MDT | Severe Thunderstorm Warning | GJT | Montezuma | 34 min |
| Jun 5, 5:29 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma | 31 min |
| Jun 5, 7:41 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 34 min |
| Jun 5, 9:26 PM MDT | Severe Thunderstorm Warning | GJT | Moffat, Rio Blanco | 34 min |
| Jun 6, 10:24 AM MDT | Severe Thunderstorm Warning | GJT | Montrose, San Miguel | 36 min |
| Jun 6, 10:44 AM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma | 31 min |
| Jun 6, 10:53 AM MDT | Severe Thunderstorm Warning | GJT | Dolores, Mesa, Montrose, San Miguel | 22 min |
| Jun 6, 11:13 AM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma, San Miguel | 47 min |
| Jun 6, 11:18 AM MDT | Severe Thunderstorm Warning | GJT | Delta, Mesa, Montrose, San Miguel | 27 min |
| Jun 6, 11:19 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 41 min |
| Jun 6, 11:35 AM MDT | Severe Thunderstorm Warning | GJT | Delta, Garfield, Mesa, Montrose, Rio Blanco | 25 min |
| Jun 6, 11:55 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa, Rio Blanco | 50 min |
| Jun 6, 11:59 AM MDT | Severe Thunderstorm Warning | GJT | Delta, Garfield, Mesa, Montrose, Rio Blanco | 31 min |
| Jun 6, 12:28 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa, Rio Blanco | 32 min |
| Jun 6, 12:34 PM MDT | Severe Thunderstorm Warning | GJT | Moffat, Rio Blanco | 41 min |
| Jun 6, 12:59 PM MDT | Severe Thunderstorm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 31 min |
| Jun 6, 1:04 PM MDT | Severe Thunderstorm Warning | PUB | Mineral, Rio Grande, Saguache | 26 min |
| Jun 6, 1:17 PM MDT | Severe Thunderstorm Warning | GJT | Moffat | 28 min |
| Jun 6, 1:28 PM MDT | Severe Thunderstorm Warning | GJT | Eagle, Garfield, Moffat, Rio Blanco, Routt | 32 min |
| Jun 6, 1:30 PM MDT | Severe Thunderstorm Warning | PUB | Mineral, Rio Grande, Saguache | 30 min |
| Jun 6, 1:46 PM MDT | Severe Thunderstorm Warning | PUB | Conejos, Rio Grande | 14 min |
| Jun 6, 1:51 PM MDT | Severe Thunderstorm Warning | BOU | Clear Creek, Grand, Jackson, Larimer, Park, Summit | 39 min |
| Jun 6, 1:55 PM MDT | Severe Thunderstorm Warning | GJT | Moffat, Rio Blanco, Routt | 35 min |
| Jun 6, 2:15 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln, Washington | 45 min |
| Jun 6, 2:25 PM MDT | Severe Thunderstorm Warning | PUB | Alamosa, Rio Grande, Saguache | 35 min |
| Jun 6, 2:28 PM MDT | Severe Thunderstorm Warning | PUB | Costilla, Huerfano, Las Animas | 32 min |
| Jun 6, 2:33 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 42 min |
| Jun 6, 2:44 PM MDT | Severe Thunderstorm Warning | PUB | Chaffee, Custer, Fremont, Saguache | 31 min |
| Jun 6, 2:54 PM MDT | Severe Thunderstorm Warning | GJT | Moffat | 13 min |
| Jun 6, 2:59 PM MDT | Severe Thunderstorm Warning | PUB | Alamosa, Custer, Saguache | 31 min |
| Jun 6, 3:03 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 8 more | 57 min |
| Jun 6, 3:15 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Pueblo, Teller | 30 min |
| Jun 6, 3:29 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo, Saguache | 16 min |
| Jun 6, 3:39 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 36 min |
| Jun 6, 3:43 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 32 min |
| Jun 6, 3:56 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more | 64 min |
| Jun 6, 4:01 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 44 min |
| Jun 6, 4:11 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 34 min |
| Jun 6, 4:19 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Pueblo, Teller | 26 min |
| Jun 6, 4:34 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 11 min |
| Jun 6, 4:36 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Morgan, Weld | 39 min |
| Jun 6, 4:43 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Fremont, Pueblo | 32 min |
| Jun 6, 4:50 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 40 min |
| Jun 6, 4:50 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas, Pueblo | 25 min |
| Jun 6, 5:11 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo | 64 min |
| Jun 6, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Logan, Morgan, Washington, Weld | 42 min |
| Jun 6, 5:27 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 48 min |
| Jun 6, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 47 min |
| Jun 6, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 47 min |
| Jun 6, 6:08 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 37 min |
| Jun 6, 6:15 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 45 min |
| Jun 6, 6:36 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick, Washington | 39 min |
| Jun 6, 6:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 62 min |
| Jun 8, 6:48 PM MDT | Severe Thunderstorm Warning | BOU | Grand | 20 min |
| Jun 8, 7:39 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 51 min |
| Jun 8, 8:15 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 22 min |
| Jun 8, 10:49 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 41 min |
| Jun 8, 11:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Washington | 29 min |
| Jun 9, 12:43 AM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips, Sedgwick, Washington | 47 min |
| Jun 14, 6:17 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 43 min |
| Jun 18, 9:05 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 55 min |
| Jun 18, 9:55 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 65 min |
| Jun 19, 12:28 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 32 min |
| Jun 19, 3:08 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 52 min |
| Jun 19, 3:52 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 53 min |
| Jun 19, 4:36 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 39 min |
| Jun 19, 5:12 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 48 min |
| Jun 19, 5:22 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 35 min |
| Jun 21, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 25 min |
| Jun 21, 6:16 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 29 min |
| Jun 22, 4:29 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 29 min |
| Jun 23, 1:45 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 60 min |
| Jun 23, 2:01 PM MDT | Severe Thunderstorm Warning | PUB | Custer, Fremont, Pueblo | 44 min |
| Jun 23, 2:13 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 47 min |
| Jun 23, 3:04 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Teller | 41 min |
| Jun 23, 4:04 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 31 min |
| Jun 23, 6:00 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa | 60 min |
| Jun 23, 6:28 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 47 min |
| Jun 23, 7:57 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 33 min |
| Jun 24, 6:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Jefferson | 32 min |
| Jun 25, 3:11 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 49 min |
| Jun 25, 4:18 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 42 min |
| Jun 25, 5:01 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa, Prowers | 29 min |
| Jun 26, 2:00 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Douglas, Jefferson | 45 min |
| Jun 26, 2:39 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 51 min |
| Jun 26, 3:19 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 41 min |
| Jun 26, 3:20 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 40 min |
| Jun 26, 3:58 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 47 min |
| Jun 26, 4:25 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 35 min |
| Jun 26, 4:35 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Broomfield, Jefferson | 25 min |
| Jun 26, 4:40 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 50 min |
| Jun 26, 4:44 PM MDT | Severe Thunderstorm Warning | GJT | Eagle | 31 min |
| Jun 26, 4:58 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 47 min |
| Jun 26, 5:06 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 39 min |
| Jun 26, 5:31 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 26 min |
| Jun 26, 5:43 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 47 min |
| Jun 26, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 28 min |
| Jun 26, 5:55 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 35 min |
| Jun 26, 6:10 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 50 min |
| Jun 26, 6:12 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 33 min |
| Jun 26, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 30 min |
| Jun 26, 6:16 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 44 min |
| Jun 26, 6:27 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 33 min |
| Jun 26, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Sedgwick | 40 min |
| Jun 26, 6:56 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 64 min |
| Jun 26, 7:08 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 37 min |
| Jun 26, 7:25 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 65 min |
| Jun 26, 7:40 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 50 min |
| Jun 26, 7:42 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 33 min |
| Jun 26, 7:51 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 54 min |
| Jun 26, 8:14 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson, Yuma | 76 min |
| Jun 26, 8:23 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 37 min |
| Jun 26, 8:41 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Kiowa, Prowers | 64 min |
| Jun 26, 8:50 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 25 min |
| Jun 27, 4:47 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 43 min |
| Jun 27, 6:30 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County17
- Kit Carson County14
- Yuma County14
- Weld County13
- Pueblo County12
- Logan County12
- Washington County11
- Las Animas County10
- Fremont County9
- Adams County9
- Rio Blanco County9
- Arapahoe County8
- Jefferson County8
- Garfield County8
- Mesa County8
- Elbert County8
- Cheyenne County7
- Moffat County7
- Saguache County7
- Lincoln County6
- Teller County6
- Kiowa County6
- Prowers County6
- Morgan County5
- Broomfield County5
- Denver County5
- Montrose County5
- Boulder County5
- Custer County5
- Douglas County5
- Bent County5
- Montezuma County4
- Dolores County4
- San Miguel County4
- Rio Grande County4
- Grand County4
- Larimer County4
- Phillips County4
- Delta County3
- Eagle County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.